What to buy - puppy present for novice dog owner?

My lovely sis will be getting her 4th baby little Havanese pup in a couple of months time, and I was wondering what a good present would be? I'm making her a set of small fleece blankets to cover the sofa/car seats etc, but wondered if there was something really useful I should get as well?

DSis had been researching like mad and has bought everything she thinks she needs, but we're a cat family so not really familiar with the canine world!

They're in the US, so I'm hoping any suggestions will be cheap & light to post!

A Kong. Stuff it with interesting cheese/kibble/mackerel pâté/nutritious gunge, and enjoy literally minutes of silence as the dog attempts to winkle it all out. Will also help make the crate a Fun Place To Be if that's the only place the Kong magically appears. Comes in different sizes - not sure how big a Havanese would need?

What about a book, or does she have lots already? Life Skills for Puppies by Helen Zilch and Daniel Mills is perfect for a new puppy owner. The Culture Clash by Jean Donaldson is a great read for anyone who wants to know more about dogs.

They've already booked puppy training for the week she arrives - DSis is taking all three DC (5 7 & 9) with her so they all learn together what to do (and not to do!). She's pretty set for books, but I reckon a Kong thing would be good, Havanese are tiny little dog-shaped-cats so i'll see if I can find a diddy one.

I saw some twig shaped chew bars, will have a google of stag bars and see if they're better.